In Excel 2010, I have a worksheet containing Japanese text. There is no problem editing, or displaying this. When I grab the value of a cell containing Japanese and use Debug.Pr
The VBA development environment depends on the Windows "system locale" setting to tell it what character set to use. I got it to work using
by going into the "Regional and Language Options" section of the Windows Control Panel and setting the system locale to "Japanese (Japan)"

After my system rebooted I could see Japanese characters in the VBA Immediate Window:
